81 x 9 = 801. What must you do to make the this equation true?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

What has 88 keys?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?